{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:51.128477", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2021-Sep-15_to_2021-Sep-19_88.5_44.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2021090002132}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "September 15 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 19 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 99143.26379949076}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["China"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 44.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 88.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "88.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 84.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 88.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[89.25, 45.0], [89.15, 44.75], [89.25, 44.5], [89.03, 43.97], [88.5, 43.75], [88.25, 43.85], [88.18, 43.82], [88.03, 43.47], [87.5, 43.25], [86.97, 43.47], [86.82, 43.82], [86.75, 43.85], [86.5, 43.75], [86.25, 43.85], [86.0, 43.75], [85.75, 43.85], [85.5, 43.75], [85.25, 43.85], [85.0, 43.75], [84.47, 43.97], [84.25, 44.5], [84.35, 44.75], [84.32, 44.82], [83.97, 44.97], [83.75, 45.5], [83.85, 45.75], [83.75, 46.0], [83.97, 46.53], [84.5, 46.75], [84.75, 46.65], [85.0, 46.75], [85.25, 46.65], [85.32, 46.68], [85.47, 47.03], [85.82, 47.18], [85.97, 47.53], [86.32, 47.68], [86.35, 47.75], [86.25, 48.0], [86.47, 48.53], [87.0, 48.75], [87.25, 48.65], [87.5, 48.75], [87.75, 48.65], [88.0, 48.75], [88.53, 48.53], [88.75, 48.0], [88.65, 47.75], [88.75, 47.5], [88.54, 47.0], [88.75, 46.5], [88.54, 46.0], [88.68, 45.68], [89.03, 45.53], [89.25, 45.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia", "E.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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